feat: set dev-mode into config

configs/howmuch.yml

@@ -20,6 +20,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+dev-mode: true
+
 addr: :8080
 
 db:
@@ -40,7 +42,6 @@ db:
 
 log:
   level: debug
-  development: true
   disalbe-caller: false
   disable-stacktrace: false
   # console or json